====== Normal Modes on an Air Track ======
{{ :physicsdemos:mechanics:oscillations:normal_modes_on_an_air_track.mp4?800 |}}

Two or three air track carts connected to each other and the ends of the track by identical springs are made to oscillate in any of their normal modes. 

===Setup===

Similar to [[physicsdemos:mechanics:linear_momentum_and_collisions:air_track_collisions|Air Track Collisions]]

F1

set-up details

PIRA DCS 3A75.10